Yildirim Demirören

Demirören Gazetecilik AS owns and operates printed and digital media properties. Its activities include content collection and management for newspapers, magazines, and television channels, as well as advertising and publishing. The company was founded by Ercument Karacan, Hatice Hediye Karacan, Atif Yonsel, Abdi Ipekçi, Nurettin Demirkol on November 16, 1960 and is headquartered in Istanbul, Turkey.

Demirören Sirketler Grubu distributes liquefied petroleum gases. The firm is engages in operations within energy, industry, tourism, shopping mall operation, port operation, construction service, media, e-commerce and education service sectors. The company was founded by Erdogan Demirören in 1956 and is headquartered in Istanbul, Turkey.

Besiktas Jimnastik Kulubu is a sports club based in Istanbul, Turkey. The club offers various sports activities such as football, basketball, handball, volleyball, athletics, boxing, esports, wrestling, gym, rowing, and table tennis. The Turkish company also has sports schools, a museum, and a magazine. The club has several branches and companies, including Besiktas Futbol Yatirimlarisanayi ve Ticaret A.S., Besiktas Basketball Yatirimlarisani ve Ticaret A.S., Besiktas Sportif Products Industry and Trade Inc., Besiktas Insaat ve Ticaret A.S., and Besiktas Television Broadcasting Inc. The club is also associated with Ataturk and other associations. The private company has a board of directors and committees, and they prioritize privacy and protection of personal data.